diff --git a/reactos/tools/cabman/cabman.mak b/reactos/tools/cabman/cabman.mak
index c2b83024b9f..e03afe9cd21 100755
--- a/reactos/tools/cabman/cabman.mak
+++ b/reactos/tools/cabman/cabman.mak
@@ -29,7 +29,7 @@ CABMAN_SOURCES = $(addprefix $(CABMAN_BASE_), \
 CABMAN_OBJECTS = \
   $(addprefix $(INTERMEDIATE_), $(CABMAN_SOURCES:.cxx=.o))
 
-CABMAN_HOST_CXXFLAGS = -Iinclude/reactos -Ilib/3rdparty/zlib $(TOOLS_CPPFLAGS)
+CABMAN_HOST_CXXFLAGS = -Iinclude -Iinclude/reactos -Ilib/3rdparty/zlib $(TOOLS_CPPFLAGS)
 
 CABMAN_HOST_LIBS = $(ZLIB_HOST_TARGET)